/* ==========================================================================
   Samikshya Sigdel Portfolio - Dark & Artistic Aesthetic Design System
   ========================================================================== */

/* Design Tokens & Theme Variables */
:root {
  /* Colors - Dark Moody Aesthetic (Default) */
  --primary-rgb: 7, 8, 13;
  --bg-gradient: radial-gradient(circle at 50% 20%, #171524 0%, #0a0b12 50%, #050508 100%);
  --nav-bg: rgba(10, 11, 18, 0.92);
  --glass-bg: rgba(15, 16, 26, 0.82);
  --glass-border: rgba(226, 177, 112, 0.2);
  --glass-shadow: 0 20px 50px rgba(0, 0, 0, 0.65);
  
  --text-main: #e2e8f0;
  --text-muted: #94a3b8;
  --heading-color: #f8fafc;
  
  --accent-gold: #e2b170;
  --accent-gold-light: #f5dfb8;
  --accent-gold-dark: #b88640;
  --accent-pink: #e85d88;
  --accent-purple: #9d4edf;
  
  --accent-gradient: linear-gradient(135deg, #f3d08c 0%, #e2b170 40%, #c48b3f 100%);
  --accent-hover: linear-gradient(135deg, #fbe8c5 0%, #edd1a0 40%, #d49f53 100%);
  --accent-vivid: linear-gradient(135deg, #e85d88 0%, #9d4edf 50%, #3b82f6 100%);
  
  --card-bg: rgba(20, 22, 34, 0.85);
  --card-border: rgba(226, 177, 112, 0.15);
  --input-bg: rgba(10, 12, 20, 0.7);

  --nav-width: 250px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* Light Theme Mode Switch */
body.light-mode {
  --bg-gradient: linear-gradient(135deg, #f4efe9 0%, #e5deff 50%, #dfecf4 100%);
  --nav-bg: rgba(255, 255, 255, 0.92);
  --glass-bg: rgba(255, 255, 255, 0.82);
  --glass-border: rgba(184, 134, 64, 0.25);
  --glass-shadow: 0 16px 40px rgba(35, 41, 70, 0.08);
  
  --text-main: #1e2538;
  --text-muted: #64748b;
  --heading-color: #0f172a;
  
  --card-bg: rgba(255, 255, 255, 0.88);
  --card-border: rgba(184, 134, 64, 0.2);
  --input-bg: rgba(255, 255, 255, 0.9);
}

/* Global Reset & Base Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  height: 100%;
}

body {
  font-family: 'Plus Jakarta Sans', sans-serif;
  background: var(--bg-gradient);
  background-attachment: fixed;
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  overflow-x: hidden;
  line-height: 1.6;
  transition: background 0.5s ease, color 0.3s ease;
}

/* Ambient Hero Canvas */
#hero-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
  opacity: 0.7;
}

h1, h2, h3, h4 {
  font-family: 'Cinzel', 'Cormorant Garamond', serif;
  color: var(--heading-color);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: 0.5px;
}

a {
  text-decoration: none;
  color: inherit;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Glassmorphism Reusable Card */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
  border-radius: var(--radius-lg);
}

/* ==========================================================================
   Side Navigation
   ========================================================================== */
.side-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: var(--nav-width);
  height: 100vh;
  background: var(--nav-bg);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-right: 1px solid var(--glass-border);
  z-index: 100;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 36px 24px;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background 0.3s ease;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-logo {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--accent-gold);
  box-shadow: 0 4px 14px rgba(226, 177, 112, 0.35);
}

.nav-title {
  font-family: 'Cinzel', serif;
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: 1px;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-main);
  cursor: pointer;
}

.nav-content {
  display: flex;
  flex-direction: column;
  height: 100%;
  justify-content: space-between;
  margin-top: 40px;
}

.nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.nav-links a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-muted);
  transition: var(--transition-normal);
  border: 1px solid transparent;
}

.nav-links a i {
  font-size: 1.15rem;
  transition: var(--transition-normal);
}

.nav-links a:hover,
.nav-links a.active {
  color: #0d0f17;
  background: var(--accent-gradient);
  border-color: var(--accent-gold-light);
  box-shadow: 0 8px 24px rgba(226, 177, 112, 0.35);
  transform: translateX(6px);
}

.nav-links a:hover i,
.nav-links a.active i {
  transform: scale(1.15);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--card-bg);
  color: var(--text-main);
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-normal);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.theme-toggle:hover {
  border-color: var(--accent-gold);
  box-shadow: 0 6px 18px rgba(226, 177, 112, 0.25);
  transform: translateY(-2px);
}

.theme-toggle i {
  font-size: 1.2rem;
  color: var(--accent-gold);
  transition: transform 0.4s ease;
}

/* ==========================================================================
   Main Content Layout
   ========================================================================== */
.main-content {
  margin-left: var(--nav-width);
  flex: 1;
  padding: 40px;
  display: flex;
  flex-direction: column;
  gap: 60px;
  max-width: 1400px;
  position: relative;
  z-index: 1;
}

.art-section {
  padding: 50px 40px;
}

.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 40px auto;
}

.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-full);
  background: rgba(226, 177, 112, 0.12);
  border: 1px solid rgba(226, 177, 112, 0.25);
  color: var(--accent-gold);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-header h2 {
  font-size: 2.8rem;
  margin-bottom: 12px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  display: block;
  width: 70px;
  height: 3px;
  background: var(--accent-gradient);
  border-radius: 2px;
  margin: 10px auto 0 auto;
}

.section-subtext {
  color: var(--text-muted);
  font-size: 1.05rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-content {
  width: 100%;
  max-width: 780px;
  padding: 60px 40px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}

.artist-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  border-radius: var(--radius-full);
  background: rgba(226, 177, 112, 0.12);
  border: 1px solid rgba(226, 177, 112, 0.3);
  color: var(--accent-gold);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 24px;
}

.hero-logo-wrapper {
  position: relative;
  width: 130px;
  height: 130px;
  margin-bottom: 24px;
}

.hero-logo {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  border: 4px solid var(--accent-gold);
  box-shadow: 0 12px 36px rgba(0, 0, 0, 0.5);
  position: relative;
  z-index: 2;
  transition: transform 0.4s ease;
}

.hero-logo-wrapper:hover .hero-logo {
  transform: scale(1.06) rotate(-4deg);
}

.logo-ring {
  position: absolute;
  top: -10px;
  left: -10px;
  right: -10px;
  bottom: -10px;
  border-radius: 50%;
  background: var(--accent-gradient);
  z-index: 1;
  opacity: 0.6;
  filter: blur(10px);
  animation: pulseGlow 3s infinite alternate;
}

@keyframes pulseGlow {
  0% { transform: scale(0.95); opacity: 0.4; }
  100% { transform: scale(1.08); opacity: 0.8; }
}

.hero-title {
  font-size: 4rem;
  font-weight: 800;
  letter-spacing: 1px;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 12px;
}

.hero-content .subtitle {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.hero-quote {
  font-style: italic;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 30px;
}

/* Button Styles */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition-bounce);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #0b0c12;
  box-shadow: 0 8px 24px rgba(226, 177, 112, 0.35);
}

.btn-primary:hover {
  background: var(--accent-hover);
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 12px 32px rgba(226, 177, 112, 0.5);
}

.btn-secondary {
  background: var(--card-bg);
  color: var(--text-main);
  border: 1px solid var(--glass-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.btn-secondary:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-4px) scale(1.03);
  box-shadow: 0 8px 24px rgba(226, 177, 112, 0.25);
}

/* Mouse Scroll Indicator */
.scroll-down-indicator {
  margin-top: 10px;
}

.mouse {
  width: 26px;
  height: 42px;
  border: 2px solid var(--text-muted);
  border-radius: 15px;
  position: relative;
  display: block;
}

.wheel {
  width: 4px;
  height: 8px;
  background: var(--accent-gold);
  border-radius: 2px;
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  animation: scrollWheel 1.5s infinite;
}

@keyframes scrollWheel {
  0% { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, 14px); }
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 50px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
}

.image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
  border: 3px solid var(--accent-gold-dark);
  transform: rotate(-2deg);
  transition: var(--transition-normal);
}

.about-image-wrapper:hover .image-frame {
  transform: rotate(0deg) scale(1.02);
  border-color: var(--accent-gold);
}

.artist-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(var(--radius-lg) - 4px);
}

.floating-experience-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--accent-gradient);
  color: #0b0c12;
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 10px 25px rgba(226, 177, 112, 0.4);
  font-size: 0.95rem;
}

.about-text-content h3 {
  font-size: 2.2rem;
  margin-bottom: 16px;
}

.about-lead {
  font-size: 1.1rem;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.7;
}

.medium-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 30px;
}

.tag {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  padding: 8px 16px;
  border-radius: var(--radius-full);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
  transition: var(--transition-fast);
}

.tag:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
  transform: translateY(-2px);
}

.artist-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.stat-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  padding: 18px 14px;
  border-radius: var(--radius-md);
  text-align: center;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.stat-number {
  font-family: 'Cinzel', serif;
  font-size: 2.2rem;
  font-weight: 800;
  display: block;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 600;
}

/* ==========================================================================
   Gallery Section
   ========================================================================== */
.gallery-filter-wrapper {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.filter-btn {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-muted);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  transition: var(--transition-normal);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.filter-btn .badge {
  background: rgba(226, 177, 112, 0.15);
  color: var(--accent-gold);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
}

.filter-btn:hover {
  color: var(--text-main);
  border-color: var(--accent-gold);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--accent-gradient);
  color: #0b0c12;
  border-color: transparent;
  box-shadow: 0 8px 24px rgba(226, 177, 112, 0.35);
}

.filter-btn.active .badge {
  background: rgba(0, 0, 0, 0.2);
  color: #0b0c12;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 24px;
}

.gallery-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  border: 1px solid var(--glass-border);
  transition: var(--transition-bounce);
  opacity: 1;
  transform: scale(1);
}

.gallery-card.hide {
  display: none !important;
}

.card-inner {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: calc(var(--radius-md) - 1px);
  background: rgba(0, 0, 0, 0.2);
}

.card-inner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1), filter 0.6s ease;
}

.gallery-card:hover {
  transform: translateY(-8px);
  border-color: var(--accent-gold);
  box-shadow: 0 16px 36px rgba(226, 177, 112, 0.25);
}

.gallery-card:hover img {
  transform: scale(1.1);
  filter: brightness(1.05);
}

.card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(7, 8, 13, 0.95) 0%, rgba(7, 8, 13, 0.4) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 20px;
  opacity: 0;
  transition: opacity 0.35s ease;
}

.gallery-card:hover .card-overlay {
  opacity: 1;
}

.category-pill {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #0b0c12;
  margin-bottom: 8px;
}

.category-pill.bw-pill {
  background: rgba(148, 163, 184, 0.9);
  color: #0b0c12;
}

.card-title {
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.zoom-btn {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  padding: 6px 14px;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-fast);
}

.zoom-btn:hover {
  background: var(--accent-gradient);
  color: #0b0c12;
  border-color: transparent;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-container {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.form-group label i {
  color: var(--accent-gold);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--glass-border);
  background: var(--input-bg);
  color: var(--text-main);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-fast);
  outline: none;
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 3px rgba(226, 177, 112, 0.2);
  background: var(--card-bg);
}

.submit-btn {
  align-self: flex-start;
  padding: 14px 36px;
  border-radius: var(--radius-full);
  background: var(--accent-gradient);
  color: #0b0c12;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 24px rgba(226, 177, 112, 0.35);
  transition: var(--transition-bounce);
}

.submit-btn:hover {
  transform: translateY(-3px);
  background: var(--accent-hover);
  box-shadow: 0 12px 32px rgba(226, 177, 112, 0.5);
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.info-card {
  background: var(--card-bg);
  border: 1px solid var(--glass-border);
  padding: 22px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.info-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(226, 177, 112, 0.15);
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.info-text h4 {
  font-size: 1.2rem;
  margin-bottom: 4px;
}

.info-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.social-links {
  display: flex;
  gap: 14px;
  margin-top: 6px;
}

.social-links a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--input-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-links a:hover {
  background: var(--accent-gradient);
  color: #0b0c12;
  transform: translateY(-3px);
}

/* ==========================================================================
   Footer & Back to Top
   ========================================================================== */
.site-footer {
  text-align: center;
  padding: 30px 20px 10px 20px;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-top: 1px solid var(--glass-border);
}

.footer-tagline {
  font-size: 0.88rem;
  margin-top: 4px;
  opacity: 0.8;
}

.back-to-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  color: #0b0c12;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  box-shadow: 0 8px 24px rgba(226, 177, 112, 0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: var(--transition-normal);
  z-index: 90;
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  transform: translateY(-4px) scale(1.1);
  box-shadow: 0 12px 32px rgba(226, 177, 112, 0.6);
}

/* ==========================================================================
   Lightbox Modal
   ========================================================================== */
.lightbox-modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.lightbox-modal.active {
  opacity: 1;
  visibility: visible;
}

.lightbox-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(5, 6, 10, 0.94);
  backdrop-filter: blur(16px);
}

.lightbox-content {
  position: relative;
  z-index: 2;
  max-width: 90vw;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img-wrapper {
  max-width: 80vw;
  max-height: 75vh;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.8);
  border: 2px solid var(--accent-gold);
}

.lightbox-img-wrapper img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  display: block;
}

.lightbox-close {
  position: absolute;
  top: -45px;
  right: 0;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  font-size: 2rem;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  background: var(--accent-gold);
  color: #0b0c12;
  transform: scale(1.1);
}

.lightbox-nav {
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  font-size: 1.3rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.lightbox-prev { left: -70px; }
.lightbox-next { right: -70px; }

.lightbox-nav:hover {
  background: var(--accent-gradient);
  color: #0b0c12;
  border-color: transparent;
  transform: translateY(-50%) scale(1.1);
}

.lightbox-caption {
  margin-top: 16px;
  text-align: center;
  color: #fff;
}

.lightbox-caption h3 {
  color: #fff;
  font-size: 1.5rem;
  margin: 6px 0;
}

.lightbox-counter {
  font-size: 0.85rem;
  opacity: 0.7;
}

/* Toast Success Message */
.toast-success {
  position: fixed;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--accent-gradient);
  color: #0b0c12;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-weight: 700;
  box-shadow: 0 10px 30px rgba(226, 177, 112, 0.5);
  z-index: 2000;
  opacity: 0;
  transition: var(--transition-bounce);
}

.toast-success.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  :root {
    --nav-width: 0px;
  }

  .side-nav {
    width: 100%;
    height: auto;
    border-right: none;
    border-bottom: 1px solid var(--glass-border);
    padding: 16px 24px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }

  .mobile-toggle {
    display: block;
  }

  .nav-content {
    position: fixed;
    top: 77px;
    left: 0;
    width: 100%;
    background: var(--nav-bg);
    backdrop-filter: blur(24px);
    border-bottom: 1px solid var(--glass-border);
    padding: 24px;
    margin-top: 0;
    gap: 20px;
    clip-path: circle(0% at 100% 0);
    transition: clip-path 0.5s ease-in-out;
  }

  .side-nav.open .nav-content {
    clip-path: circle(140% at 100% 0);
  }

  .main-content {
    margin-left: 0;
    padding: 100px 20px 30px 20px;
  }

  .about-grid,
  .contact-container {
    grid-template-columns: 1fr;
  }

  .lightbox-prev { left: 10px; }
  .lightbox-next { right: 10px; }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 2.8rem;
  }

  .section-header h2 {
    font-size: 2.2rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .artist-stats {
    grid-template-columns: 1fr;
  }

  .lightbox-nav {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }

  .lightbox-img-wrapper {
    max-width: 92vw;
  }
}